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Hip Artificial hips essentially comprise a ball and socket corresponding to the top of the femur or thighbone and the acetabulum, the cup-shaped socket in the hipbone. The femoral component is made of metal, sometimes with a ceramic head, and the acetabulum is fashioned out of a tough yet slick plastic. Cemented artificial hips use an epoxy to attach the metal to the bone, while an uncemented prosthesis features a mesh of tiny holes into which the patient's bone grows. |